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space-time
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space-time


Spacetime is independent of any observer, but observers can use different coordinate systems when describing it. For example, atomic clocks onboard a Space Shuttle run slower than synchronized Earth-bound clocks.
  the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
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space-time spacetime spacetimes space-times
Notes:
In classical mechanics, the use of Euclidean space instead of spacetime is appropriate, as time is treated as universal and constant, being independent of the state of motion of an observer. In relativistic contexts, however, time cannot be separated from the three dimensions of space because the rate at which time passes depends on an object’s velocity relative to the speed of light (and also the strength of intense gravitational fields which can slow the passage of time).

http://en.wikipedia.org/wiki/Spacetime (retrieved 8/24/08)
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Samples:
  • Spacetime is independent of any observer, but observers can use different coordinate systems when describing it. For example, atomic clocks onboard a Space Shuttle run slower than synchronized Earth-bound clocks.
  • Space-time is what we live in.
    Margaret Atwood  --  Cat’s Eye
  • Vlad wagered it had to do with the space-time continuum or a cruel joke played by Fate.
    Heather Brewer  --  Tenth Grade Bleeds
  • Primal light exploded, splattering space-time as with gobbets of Jell-O.
    Douglas Adams  --  The Hitchhiker’s Guide to the Galaxy

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  • Now there’s a space to be filled, in the too-warm air of my room, and a time also; a space-time, between here and now and there and then, punctuated by dinner.
    Margaret Atwood  --  The Handmaid’s Tale
  • I approached a young man, a stocky fellow with a mailman’s cap and beer belly, wearing a down vest, and he looked at me as if I didn’t belong in his space-time dimension but had crossed over illegally, made a rude incursion.
    Don DeLillo  --  White Noise
  • Gravity is just a warp in space-time.
    Scott Westerfeld  --  The Secret Hour
  • They rather remind me of space-time theory.
    John Ringo  --  Live Free or Die
  • Any nineteenth century physicist could have given unassailable reasons why atom bombs were impossible if his reason were not affronted at the question; any twentieth century physicist could explain why time travel was incompatible with the real world of space-time.
    Robert A. Heinlein  --  Tunnel In the Sky
  • They can build buildings, parks, signs, as well as things that do not exist in Reality, such as vast hovering overhead light shows, special neighborhoods where the rules of three-dimensional spacetime are ignored, and free-combat zones where people can go to hunt and kill each other.
    Neal Stephenson  --  Snow Crash

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  • ("Is this sword now present the direct successor in space-time sequential change, aside from theoretical anomalies involved in between-universe transitions, of the sword used to loll the Never-Born?"
    Robert A. Heinlein  --  Glory Road
  • Bulges appeared in the fabric of space-time.
    Douglas Adams  --  The Hitchhiker’s Guide to the Galaxy
  • He says space-time is curved and that in curved space-time the shortest distance between two points is not a straight line but a line following the curve.
    Margaret Atwood  --  Cat’s Eye
  • He says space-time is curved and that in curved space-time the shortest distance between two points is not a straight line but a line following the curve.
    Margaret Atwood  --  Cat’s Eye
  • Space-time distortion, but I’m no mathematician.
    Robert A. Heinlein  --  Tunnel In the Sky
  • Or does it even make sense to use the word before, since time cannot exist without space and space-time without events and events without matter-energy?
    Margaret Atwood  --  Cat’s Eye
  • For instance, at the very moment that Arthur said, "I seem to be having tremendous difficulty with my life-style," a freak wormhole opened up in the fabric of the space-time continuum and carried his words far far back in time across almost infinite reaches of space to a distant Galaxy where strange and warlike beings were poised on the brink of frightful interstellar battle.
    Douglas Adams  --  The Hitchhiker’s Guide to the Galaxy
  • Theoretically it was possible to match two points in contra-rotation, twisting the insubstantial fabric of space-time in exact step with "real’ motions; practically such a solution was not only terribly wasteful of energy but almost unworkable— the ground surface beyond the gate tended to skid away like a slidewalk and tilt at odd angles.
    Robert A. Heinlein  --  Tunnel In the Sky
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Associated words [difficulty]:   space-time [7] , theory of relativity [7]
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